diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 4225d5e7213..8e64adf8e4d 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -39,6 +39,7 @@ #include #include #include +#include #include #include @@ -1025,6 +1026,49 @@ static int register_root_hub(struct usb_hcd *hcd) return retval; } +/* + * usb_hcd_start_port_resume - a root-hub port is sending a resume signal + * @bus: the bus which the root hub belongs to + * @portnum: the port which is being resumed + * + * HCDs should call this function when they know that a resume signal is + * being sent to a root-hub port. The root hub will be prevented from + * going into autosuspend until usb_hcd_end_port_resume() is called. + * + * The bus's private lock must be held by the caller. + */ +void usb_hcd_start_port_resume(struct usb_bus *bus, int portnum) +{ + unsigned bit = 1 << portnum; + + if (!(bus->resuming_ports & bit)) { + bus->resuming_ports |= bit; + pm_runtime_get_noresume(&bus->root_hub->dev); + } +} +EXPORT_SYMBOL_GPL(usb_hcd_start_port_resume); + +/* + * usb_hcd_end_port_resume - a root-hub port has stopped sending a resume signal + * @bus: the bus which the root hub belongs to + * @portnum: the port which is being resumed + * + * HCDs should call this function when they know that a resume signal has + * stopped being sent to a root-hub port. The root hub will be allowed to + * autosuspend again. + * + * The bus's private lock must be held by the caller. + */ +void usb_hcd_end_port_resume(struct usb_bus *bus, int portnum) +{ + unsigned bit = 1 << portnum; + + if (bus->resuming_ports & bit) { + bus->resuming_ports &= ~bit; + pm_runtime_put_noidle(&bus->root_hub->dev); + } +} +EXPORT_SYMBOL_GPL(usb_hcd_end_port_resume); /*-------------------------------------------------------------------------*/ diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 957ed2c4148..cbf7168e3ce 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -2838,6 +2838,23 @@ void usb_enable_ltm(struct usb_device *udev) EXPORT_SYMBOL_GPL(usb_enable_ltm); #ifdef CONFIG_USB_SUSPEND +/* + * usb_disable_function_remotewakeup - disable usb3.0 + * device's function remote wakeup + * @udev: target device + * + * Assume there's only one function on the USB 3.0 + * device and disable remote wake for the first + * interface. FIXME if the interface association + * descriptor shows there's more than one function. + */ +static int usb_disable_function_remotewakeup(struct usb_device *udev) +{ + return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + USB_REQ_CLEAR_FEATURE, USB_RECIP_INTERFACE, + USB_INTRF_FUNC_SUSPEND, 0, NULL, 0, + USB_CTRL_SET_TIMEOUT); +} /* * usb_port_suspend - suspend a usb device's upstream port @@ -2955,12 +2972,19 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg) dev_dbg(hub->intfdev, "can't suspend port %d, status %d\n", port1, status); /* paranoia: "should not happen" */ - if (udev->do_remote_wakeup) - (void) usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - USB_REQ_CLEAR_FEATURE, USB_RECIP_DEVICE, - USB_DEVICE_REMOTE_WAKEUP, 0, - NULL, 0, - USB_CTRL_SET_TIMEOUT); + if (udev->do_remote_wakeup) { + if (!hub_is_superspeed(hub->hdev)) { + (void) usb_control_msg(udev, + usb_sndctrlpipe(udev, 0), + USB_REQ_CLEAR_FEATURE, + USB_RECIP_DEVICE, + USB_DEVICE_REMOTE_WAKEUP, 0, + NULL, 0, + USB_CTRL_SET_TIMEOUT); + } else + (void) usb_disable_function_remotewakeup(udev); + + } /* Try to enable USB2 hardware LPM again */ if (udev->usb2_hw_lpm_capable == 1) @@ -3052,20 +3076,30 @@ static int finish_port_resume(struct usb_device *udev) * udev->reset_resume */ } else if (udev->actconfig && !udev->reset_resume) { - le16_to_cpus(&devstatus); - if (devstatus & (1 << USB_DEVICE_REMOTE_WAKEUP)) { - status = usb_control_msg(udev, - usb_sndctrlpipe(udev, 0), - USB_REQ_CLEAR_FEATURE, + if (!hub_is_superspeed(udev->parent)) { + le16_to_cpus(&devstatus); + if (devstatus & (1 << USB_DEVICE_REMOTE_WAKEUP)) + status = usb_control_msg(udev, + usb_sndctrlpipe(udev, 0), + USB_REQ_CLEAR_FEATURE, USB_RECIP_DEVICE, - USB_DEVICE_REMOTE_WAKEUP, 0, - NULL, 0, - USB_CTRL_SET_TIMEOUT); - if (status) - dev_dbg(&udev->dev, - "disable remote wakeup, status %d\n", - status); + USB_DEVICE_REMOTE_WAKEUP, 0, + NULL, 0, + USB_CTRL_SET_TIMEOUT); + } else { + status = usb_get_status(udev, USB_RECIP_INTERFACE, 0, + &devstatus); + le16_to_cpus(&devstatus); + if (!status && devstatus & (USB_INTRF_STAT_FUNC_RW_CAP + | USB_INTRF_STAT_FUNC_RW)) + status = + usb_disable_function_remotewakeup(udev); } + + if (status) + dev_dbg(&udev->dev, + "disable remote wakeup, status %d\n", + status); status = 0; } return status; diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 09537b2f100..b416a3fc995 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -797,6 +797,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) ehci->reset_done[i] = jiffies + msecs_to_jiffies(25); set_bit(i, &ehci->resuming_ports); ehci_dbg (ehci, "port %d remote wakeup\n", i + 1); + usb_hcd_start_port_resume(&hcd->self, i); mod_timer(&hcd->rh_timer, ehci->reset_done[i]); } } diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 4ccb97c0678..4d3b294f203 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -649,7 +649,11 @@ ehci_hub_status_data (struct usb_hcd *hcd, char *buf) status = STS_PCD; } } - /* FIXME autosuspend idle root hubs */ + + /* If a resume is in progress, make sure it can finish */ + if (ehci->resuming_ports) + mod_timer(&hcd->rh_timer, jiffies + msecs_to_jiffies(25)); + spin_unlock_irqrestore (&ehci->lock, flags); return status ? retval : 0; } @@ -851,6 +855,7 @@ static int ehci_hub_control ( /* resume signaling for 20 msec */ ehci->reset_done[wIndex] = jiffies + msecs_to_jiffies(20); + usb_hcd_start_port_resume(&hcd->self, wIndex); /* check the port again */ mod_timer(&ehci_to_hcd(ehci)->rh_timer, ehci->reset_done[wIndex]); @@ -862,6 +867,7 @@ static int ehci_hub_control ( clear_bit(wIndex, &ehci->suspended_ports); set_bit(wIndex, &ehci->port_c_suspend); ehci->reset_done[wIndex] = 0; + usb_hcd_end_port_resume(&hcd->self, wIndex); /* stop resume signaling */ temp = ehci_readl(ehci, status_reg); @@ -950,6 +956,7 @@ static int ehci_hub_control ( ehci->reset_done[wIndex] = 0; if (temp & PORT_PE) set_bit(wIndex, &ehci->port_c_suspend); + usb_hcd_end_port_resume(&hcd->self, wIndex); } if (temp & PORT_OC) diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index 3d989028c83..fd252f0cfb3 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -1197,17 +1197,26 @@ static void start_iaa_cycle(struct ehci_hcd *ehci, bool nested) if (ehci->async_iaa || ehci->async_unlinking) return; - /* Do all the waiting QHs at once */ - ehci->async_iaa = ehci->async_unlink; - ehci->async_unlink = NULL; - /* If the controller isn't running, we don't have to wait for it */ if (unlikely(ehci->rh_state < EHCI_RH_RUNNING)) { + + /* Do all the waiting QHs */ + ehci->async_iaa = ehci->async_unlink; + ehci->async_unlink = NULL; + if (!nested) /* Avoid recursion */ end_unlink_async(ehci); /* Otherwise start a new IAA cycle */ } else if (likely(ehci->rh_state == EHCI_RH_RUNNING)) { + struct ehci_qh *qh; + + /* Do only the first waiting QH (nVidia bug?) */ + qh = ehci->async_unlink; + ehci->async_iaa = qh; + ehci->async_unlink = qh->unlink_next; + qh->unlink_next = NULL; + /* Make sure the unlinks are all visible to the hardware */ wmb(); @@ -1255,34 +1264,35 @@ static void end_unlink_async(struct ehci_hcd *ehci) } } +static void start_unlink_async(struct ehci_hcd *ehci, struct ehci_qh *qh); + static void unlink_empty_async(struct ehci_hcd *ehci) { - struct ehci_qh *qh, *next; - bool stopped = (ehci->rh_state < EHCI_RH_RUNNING); + struct ehci_qh *qh; + struct ehci_qh *qh_to_unlink = NULL; bool check_unlinks_later = false; + int count = 0; - /* Unlink all the async QHs that have been empty for a timer cycle */ - next = ehci->async->qh_next.qh; - while (next) { - qh = next; - next = qh->qh_next.qh; - + /* Find the last async QH which has been empty for a timer cycle */ + for (qh = ehci->async->qh_next.qh; qh; qh = qh->qh_next.qh) { if (list_empty(&qh->qtd_list) && qh->qh_state == QH_STATE_LINKED) { - if (!stopped && qh->unlink_cycle == - ehci->async_unlink_cycle) + ++count; + if (qh->unlink_cycle == ehci->async_unlink_cycle) check_unlinks_later = true; else - single_unlink_async(ehci, qh); + qh_to_unlink = qh; } } - /* Start a new IAA cycle if any QHs are waiting for it */ - if (ehci->async_unlink) - start_iaa_cycle(ehci, false); + /* If nothing else is being unlinked, unlink the last empty QH */ + if (!ehci->async_iaa && !ehci->async_unlink && qh_to_unlink) { + start_unlink_async(ehci, qh_to_unlink); + --count; + } - /* QHs that haven't been empty for long enough will be handled later */ - if (check_unlinks_later) { + /* Other QHs will be handled later */ + if (count > 0) { ehci_enable_event(ehci, EHCI_HRTIMER_ASYNC_UNLINKS, true); ++ehci->async_unlink_cycle; } diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 69ebee73c0c..b476daf49f6 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -213,7 +213,7 @@ static inline unsigned char tt_start_uframe(struct ehci_hcd *ehci, __hc32 mask) } static const unsigned char -max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 30, 0 }; +max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 125, 25 }; /* carryover low/fullspeed bandwidth that crosses uframe boundries */ static inline void carryover_tt_bandwidth(unsigned short tt_usecs[8]) @@ -2212,11 +2212,11 @@ static void scan_isoc(struct ehci_hcd *ehci) } ehci->now_frame = now_frame; + frame = ehci->last_iso_frame; for (;;) { union ehci_shadow q, *q_p; __hc32 type, *hw_p; - frame = ehci->last_iso_frame; restart: /* scan each element in frame's queue for completions */ q_p = &ehci->pshadow [frame]; @@ -2321,6 +2321,9 @@ restart: /* Stop when we have reached the current frame */ if (frame == now_frame) break; - ehci->last_iso_frame = (frame + 1) & fmask; + + /* The last frame may still have active siTDs */ + ehci->last_iso_frame = frame; + frame = (frame + 1) & fmask; } } diff --git a/drivers/usb/host/ehci-timer.c b/drivers/usb/host/ehci-timer.c index 20dbdcbe9b0..f904071d70d 100644 --- a/drivers/usb/host/ehci-timer.c +++ b/drivers/usb/host/ehci-timer.c @@ -113,14 +113,15 @@ static void ehci_poll_ASS(struct ehci_hcd *ehci) if (want != actual) { - /* Poll again later, but give up after about 20 ms */ - if (ehci->ASS_poll_count++ < 20) { - ehci_enable_event(ehci, EHCI_HRTIMER_POLL_ASS, true); - return; - } - ehci_dbg(ehci, "Waited too long for the async schedule status (%x/%x), giving up\n", - want, actual); + /* Poll again later */ + ehci_enable_event(ehci, EHCI_HRTIMER_POLL_ASS, true); + ++ehci->ASS_poll_count; + return; } + + if (ehci->ASS_poll_count > 20) + ehci_dbg(ehci, "ASS poll count reached %d\n", + ehci->ASS_poll_count); ehci->ASS_poll_count = 0; /* The status is up-to-date; restart or stop the schedule as needed */ @@ -159,14 +160,14 @@ static void ehci_poll_PSS(struct ehci_hcd *ehci) if (want != actual) { - /* Poll again later, but give up after about 20 ms */ - if (ehci->PSS_poll_count++ < 20) { - ehci_enable_event(ehci, EHCI_HRTIMER_POLL_PSS, true); - return; - } - ehci_dbg(ehci, "Waited too long for the periodic schedule status (%x/%x), giving up\n", - want, actual); + /* Poll again later */ + ehci_enable_event(ehci, EHCI_HRTIMER_POLL_PSS, true); + return; } + + if (ehci->PSS_poll_count > 20) + ehci_dbg(ehci, "PSS poll count reached %d\n", + ehci->PSS_poll_count); ehci->PSS_poll_count = 0; /* The status is up-to-date; restart or stop the schedule as needed */ diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index a3b6d7104ae..4c338ec03a0 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -780,6 +780,7 @@ void usb_enable_xhci_ports(struct pci_dev *xhci_pdev) "defaulting to EHCI.\n"); dev_warn(&xhci_pdev->dev, "USB 3.0 devices will work at USB 2.0 speeds.\n"); + usb_disable_xhci_ports(xhci_pdev); return; } diff --git a/drivers/usb/host/uhci-hub.c b/drivers/usb/host/uhci-hub.c index 768d54295a2..15d13229ddb 100644 --- a/drivers/usb/host/uhci-hub.c +++ b/drivers/usb/host/uhci-hub.c @@ -116,6 +116,7 @@ static void uhci_finish_suspend(struct uhci_hcd *uhci, int port, } } clear_bit(port, &uhci->resuming_ports); + usb_hcd_end_port_resume(&uhci_to_hcd(uhci)->self, port); } /* Wait for the UHCI controller in HP's iLO2 server management chip. @@ -167,6 +168,8 @@ static void uhci_check_ports(struct uhci_hcd *uhci) set_bit(port, &uhci->resuming_ports); uhci->ports_timeout = jiffies + msecs_to_jiffies(25); + usb_hcd_start_port_resume( + &uhci_to_hcd(uhci)->self, port); /* Make sure we see the port again * after the resuming period is over. */ diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 59fb5c677db..7f76a49e90d 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1698,7 +1698,7 @@ static void handle_port_status(struct xhci_hcd *xhci, faked_port_index + 1); if (slot_id && xhci->devs[slot_id]) xhci_ring_device(xhci, slot_id); - if (bus_state->port_remote_wakeup && (1 << faked_port_index)) { + if (bus_state->port_remote_wakeup & (1 << faked_port_index)) { bus_state->port_remote_wakeup &= ~(1 << faked_port_index); xhci_test_and_clear_bit(xhci, port_array, @@ -2589,6 +2589,8 @@ cleanup: (trb_comp_code != COMP_STALL && trb_comp_code != COMP_BABBLE)) xhci_urb_free_priv(xhci, urb_priv); + else + kfree(urb_priv); usb_hcd_unlink_urb_from_ep(bus_to_hcd(urb->dev->bus), urb); if ((urb->actual_length != urb->transfer_buffer_length && @@ -3108,7 +3110,7 @@ static u32 xhci_v1_0_td_remainder(int running_total, int trb_buff_len, * running_total. */ packets_transferred = (running_total + trb_buff_len) / - usb_endpoint_maxp(&urb->ep->desc); + GET_MAX_PACKET(usb_endpoint_maxp(&urb->ep->desc)); if ((total_packet_count - packets_transferred) > 31) return 31 << 17; @@ -3642,7 +3644,8 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, td_len = urb->iso_frame_desc[i].length; td_remain_len = td_len; total_packet_count = DIV_ROUND_UP(td_len, - usb_endpoint_maxp(&urb->ep->desc)); + GET_MAX_PACKET( + usb_endpoint_maxp(&urb->ep->desc))); /* A zero-length transfer still involves at least one packet. */ if (total_packet_count == 0) total_packet_count++; @@ -3664,9 +3667,11 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, td = urb_priv->td[i]; for (j = 0; j < trbs_per_td; j++) { u32 remainder = 0; - field = TRB_TBC(burst_count) | TRB_TLBPC(residue); + field = 0; if (first_trb) { + field = TRB_TBC(burst_count) | + TRB_TLBPC(residue); /* Queue the isoc TRB */ field |= TRB_TYPE(TRB_ISOC); /* Assume URB_ISO_ASAP is set */ diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index f14736f647f..edc0f0dcad8 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -60,6 +60,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x0FCF, 0x1003) }, /* Dynastream ANT development board */ { USB_DEVICE(0x0FCF, 0x1004) }, /* Dynastream ANT2USB */ { USB_DEVICE(0x0FCF, 0x1006) }, /* Dynastream ANT development board */ + { USB_DEVICE(0x0FDE, 0xCA05) }, /* OWL Wireless Electricity Monitor CM-160 */ { USB_DEVICE(0x10A6, 0xAA26) }, /* Knock-off DCU-11 cable */ { USB_DEVICE(0x10AB, 0x10C5) }, /* Siemens MC60 Cable */ { USB_DEVICE(0x10B5, 0xAC70) }, /* Nokia CA-42 USB */ diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index ba68835d06a..90ceef1776c 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -584,6 +584,7 @@ static struct usb_device_id id_table_combined [] = { /* * ELV devices: */ + { USB_DEVICE(FTDI_ELV_VID, FTDI_ELV_WS300_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) }, @@ -670,6 +671,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) }, { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) }, { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_OMNI1509) }, { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) }, { USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) }, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index fa5d5603827..9d359e189a6 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -147,6 +147,11 @@ #define XSENS_CONVERTER_6_PID 0xD38E #define XSENS_CONVERTER_7_PID 0xD38F +/** + * Zolix (www.zolix.com.cb) product ids + */ +#define FTDI_OMNI1509 0xD491 /* Omni1509 embedded USB-serial */ + /* * NDI (www.ndigital.com) product ids */ @@ -204,7 +209,7 @@ /* * ELV USB devices submitted by Christian Abt of ELV (www.elv.de). - * All of these devices use FTDI's vendor ID (0x0403). + * Almost all of these devices use FTDI's vendor ID (0x0403). * Further IDs taken from ELV Windows .inf file. * * The previously included PID for the UO 100 module was incorrect. @@ -212,6 +217,8 @@ * * Armin Laeuger originally sent the PID for the UM 100 module. */ +#define FTDI_ELV_VID 0x1B1F /* ELV AG */ +#define FTDI_ELV_WS300_PID 0xC006 /* eQ3 WS 300 PC II */ #define FTDI_ELV_USR_PID 0xE000 /* ELV Universal-Sound-Recorder */ #define FTDI_ELV_MSM1_PID 0xE001 /* ELV Mini-Sound-Modul */ #define FTDI_ELV_KL100_PID 0xE002 /* ELV Kfz-Leistungsmesser KL 100 */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 0d9dac9e7f9..567bc77d639 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -242,6 +242,7 @@ static void option_instat_callback(struct urb *urb); #define TELIT_PRODUCT_CC864_DUAL 0x1005 #define TELIT_PRODUCT_CC864_SINGLE 0x1006 #define TELIT_PRODUCT_DE910_DUAL 0x1010 +#define TELIT_PRODUCT_LE920 0x1200 /* ZTE PRODUCTS */ #define ZTE_VENDOR_ID 0x19d2 @@ -453,6 +454,10 @@ static void option_instat_callback(struct urb *urb); #define TPLINK_VENDOR_ID 0x2357 #define TPLINK_PRODUCT_MA180 0x0201 +/* Changhong products */ +#define CHANGHONG_VENDOR_ID 0x2077 +#define CHANGHONG_PRODUCT_CH690 0x7001 + /* some devices interfaces need special handling due to a number of reasons */ enum option_blacklist_reason { OPTION_BLACKLIST_NONE = 0, @@ -534,6 +539,11 @@ static const struct option_blacklist_info zte_1255_blacklist = { .reserved = BIT(3) | BIT(4), }; +static const struct option_blacklist_info telit_le920_blacklist = { + .sendsetup = BIT(0), + .reserved = BIT(1) | BIT(5), +}; + static const struct usb_device_id option_ids[] = { { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) }, { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) }, @@ -784,6 +794,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_DUAL) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_SINGLE) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_DE910_DUAL) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920), + .driver_info = (kernel_ulong_t)&telit_le920_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)&net_intf1_blacklist }, @@ -1318,6 +1330,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T) }, { USB_DEVICE(TPLINK_VENDOR_ID, TPLINK_PRODUCT_MA180), .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, + { USB_DEVICE(CHANGHONG_VENDOR_ID, CHANGHONG_PRODUCT_CH690) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index aa148c21ea4..24662547dc5 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -53,6 +53,7 @@ static const struct usb_device_id id_table[] = { {DEVICE_G1K(0x05c6, 0x9221)}, /* Generic Gobi QDL device */ {DEVICE_G1K(0x05c6, 0x9231)}, /* Generic Gobi QDL device */ {DEVICE_G1K(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */ + {DEVICE_G1K(0x1bc7, 0x900e)}, /* Telit Gobi QDL device */ /* Gobi 2000 devices */ {USB_DEVICE(0x1410, 0xa010)}, /* Novatel Gobi 2000 QDL device */ diff --git a/drivers/usb/storage/initializers.c b/drivers/usb/storage/initializers.c index 105d900150c..16b0bf055ee 100644 --- a/drivers/usb/storage/initializers.c +++ b/drivers/usb/storage/initializers.c @@ -92,8 +92,8 @@ int usb_stor_ucr61s2b_init(struct us_data *us) return 0; } -/* This places the HUAWEI E220 devices in multi-port mode */ -int usb_stor_huawei_e220_init(struct us_data *us) +/* This places the HUAWEI usb dongles in multi-port mode */ +static int usb_stor_huawei_feature_init(struct us_data *us) { int result; @@ -104,3 +104,75 @@ int usb_stor_huawei_e220_init(struct us_data *us) US_DEBUGP("Huawei mode set result is %d\n", result); return 0; } + +/* + * It will send a scsi switch command called rewind' to huawei dongle. + * When the dongle receives this command at the first time, + * it will reboot immediately. After rebooted, it will ignore this command. + * So it is unnecessary to read its response. + */ +static int usb_stor_huawei_scsi_init(struct us_data *us) +{ + int result = 0; + int act_len = 0; + struct bulk_cb_wrap *bcbw = (struct bulk_cb_wrap *) us->iobuf; + char rewind_cmd[] = {0x11, 0x06, 0x20, 0x00, 0x00, 0x01, 0x01, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; + + bcbw->Signature = cpu_to_le32(US_BULK_CB_SIGN); + bcbw->Tag = 0; + bcbw->DataTransferLength = 0; + bcbw->Flags = bcbw->Lun = 0; + bcbw->Length = sizeof(rewind_cmd); + memset(bcbw->CDB, 0, sizeof(bcbw->CDB)); + memcpy(bcbw->CDB, rewind_cmd, sizeof(rewind_cmd)); + + result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, bcbw, + US_BULK_CB_WRAP_LEN, &act_len); + US_DEBUGP("transfer actual length=%d, result=%d\n", act_len, result); + return result; +} + +/* + * It tries to find the supported Huawei USB dongles. + * In Huawei, they assign the following product IDs + * for all of their mobile broadband dongles, + * including the new dongles in the future. + * So if the product ID is not included in this list, + * it means it is not Huawei's mobile broadband dongles. + */ +static int usb_stor_huawei_dongles_pid(struct us_data *us) +{ + struct usb_interface_descriptor *idesc; + int idProduct; + + idesc = &us->pusb_intf->cur_altsetting->desc; + idProduct = us->pusb_dev->descriptor.idProduct; + /* The first port is CDROM, + * means the dongle in the single port mode, + * and a switch command is required to be sent. */ + if (idesc && idesc->bInterfaceNumber == 0) { + if ((idProduct == 0x1001) + || (idProduct == 0x1003) + || (idProduct == 0x1004) + || (idProduct >= 0x1401 && idProduct <= 0x1500) + || (idProduct >= 0x1505 && idProduct <= 0x1600) + || (idProduct >= 0x1c02 && idProduct <= 0x2202)) { + return 1; + } + } + return 0; +} + +int usb_stor_huawei_init(struct us_data *us) +{ + int result = 0; + + if (usb_stor_huawei_dongles_pid(us)) { + if (us->pusb_dev->descriptor.idProduct >= 0x1446) + result = usb_stor_huawei_scsi_init(us); + else + result = usb_stor_huawei_feature_init(us); + } + return result; +} diff --git a/drivers/usb/storage/initializers.h b/drivers/usb/storage/initializers.h index 529327fbb06..5376d4fc76f 100644 --- a/drivers/usb/storage/initializers.h +++ b/drivers/usb/storage/initializers.h @@ -46,5 +46,5 @@ int usb_stor_euscsi_init(struct us_data *us); * flash reader */ int usb_stor_ucr61s2b_init(struct us_data *us); -/* This places the HUAWEI E220 devices in multi-port mode */ -int usb_stor_huawei_e220_init(struct us_data *us); +/* This places the HUAWEI usb dongles in multi-port mode */ +int usb_stor_huawei_init(struct us_data *us); diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index d305a5aa3a5..72923b56bbf 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1527,335 +1527,10 @@ UNUSUAL_DEV( 0x1210, 0x0003, 0x0100, 0x0100, /* Reported by fangxiaozhi * This brings the HUAWEI data card devices into multi-port mode */ -UNUSUAL_DEV( 0x12d1, 0x1001, 0x0000, 0x0000, +UNUSUAL_VENDOR_INTF(0x12d1, 0x08, 0x06, 0x50, "HUAWEI MOBILE", "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1003, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1004, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1401, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1402, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1403, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1404, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1405, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1406, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1407, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1408, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1409, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x140A, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x140B, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x140C, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x140D, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x140E, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x140F, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1410, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1411, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1412, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1413, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1414, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1415, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1416, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1417, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1418, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1419, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x141A, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x141B, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x141C, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x141D, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x141E, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x141F, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1420, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1421, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1422, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1423, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1424, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1425, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1426, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1427, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1428, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1429, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x142A, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x142B, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x142C, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x142D, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x142E, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x142F, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1430, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1431, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1432, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1433, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1434, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1435, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1436, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1437, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1438, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1439, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x143A, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x143B, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x143C, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x143D, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x143E, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x143F, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, + USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_init, 0), /* Reported by Vilius Bilinkevicius toggle[out] >> (ep)) & 1) #define usb_dotoggle(dev, ep, out) ((dev)->toggle[out] ^= (1 << (ep))) diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h index 50598472dc4..f738e25377f 100644 --- a/include/uapi/linux/usb/ch9.h +++ b/include/uapi/linux/usb/ch9.h @@ -152,6 +152,12 @@ #define USB_INTRF_FUNC_SUSPEND_LP (1 << (8 + 0)) #define USB_INTRF_FUNC_SUSPEND_RW (1 << (8 + 1)) +/* + * Interface status, Figure 9-5 USB 3.0 spec + */ +#define USB_INTRF_STAT_FUNC_RW_CAP 1 +#define USB_INTRF_STAT_FUNC_RW 2 + #define USB_ENDPOINT_HALT 0 /* IN/OUT will STALL */ /* Bit array elements as returned by the USB_REQ_GET_STATUS request. */